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Ko Raet Lighthouse

Fl White 3s🇹🇭THOperational

Location & Light Range

About Ko Raet Lighthouse

The Ko Raet lighthouse stands on a small island near Prachuap Khiri Khan. It is a round, white concrete tower 4 meters high, featuring a gallery. From its focal height of 129 meters, it emits a single white flash every 3 seconds. The lighthouse has a geographic range of 27.8 nautical miles. Its structure is a cylindrical concrete tower painted white.

Why it matters: This lighthouse warns vessels of the island it occupies, preventing groundings. Its high focal plane ensures visibility over a wide area, aiding navigation in the shipping lanes off Prachuap Khiri Khan.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
129m
Geographic Range
27.8NM

Location

Country
🇹🇭TH
Latitude
11.7936°
Longitude
99.8228°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
4m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower with gallery

References & Identifiers

Nearest Port
Prachuap Port(37.7 km)
Admiralty No.
F2932
NGA No.
20784
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Frequently Asked Questions

How do mariners identify Ko Raet Lighthouse at night?+
Ko Raet displays the characteristic Fl White 3s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Ko Raet Lighthouse guide vessels into?+
Ko Raet Lighthouse assists vessels approaching 3 nearby ports. The closest is PRACHUAP at 38.1 NM to the SSW. Other ports served include Prachuap Port (38.3 NM SSW), Bang Saphan (39.9 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ko Raet Lighthouse still active and maintained?+
Yes, Ko Raet Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Ko Raet Lighthouse?+
You can track vessels near Ko Raet Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.